@class NSArray, NSString; @interface _UIViewPropertyAnimatorTrackingGroup : NSObject @property (readonly, nonatomic) NSArray *trackingAnimators; @property (readonly, nonatomic) long long state; @property (readonly, nonatomic, getter=isRunning) BOOL running; @property (nonatomic, getter=isReversed) BOOL reversed; @property (nonatomic) double fractionComplete; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)pauseAnimation; - (id)initWithAnimators:(id)a0; - (void)startAnimationAfterDelay:(double)a0; - (void)stopAnimation:(BOOL)a0; - (void)finishAnimationAtPosition:(long long)a0; - (void)startAnimation; - (void)addCompletion:(id /* block */)a0; - (void)continueAnimationWithTimingParameters:(id)a0 durationFactor:(double)a1; - (void).cxx_destruct; @end